IAA RAS IAA Minor Planet Database

2020 UD4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4914911000
Semi-major axis (a)1.9541150000 AU
Inclination (i)4.90865000°
Long. of Asc. Node (Ω)221.57830000°
Arg. of Perihelion (ω)193.55659000°
Mean Anomaly (M)301.58921000°
Mean Motion (n)0.3608102800°/day
Perihelion dist (q)0.99368490 AU
Aphelion dist (Q)2.91454510 AU
Orbital Period2.73165080 yr
Physical Parameters
H (abs. magnitude)26.74
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.530″
Uncertainty8
Orbit TypeApollo
MOID0.008210 AU
Observations Used17
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2020-10-23
Observations (17)
Date Type RA Dec Mag Band Observatory
2020-10-22 05:03:52 C 00 28 24.23 +35 41 30.2 – V G96
2020-10-22 05:11:23 C 00 28 29.00 +35 42 03.3 – V G96
2020-10-22 05:20:51 C 00 28 35.01 +35 42 44.3 – V G96
2020-10-22 05:30:18 C 00 28 41.07 +35 43 25.6 – V G96
2020-10-22 07:40:35 C 00 30 18.004 +35 53 27.88 – V F51
2020-10-22 09:49:40 C 00 31 33.17 +36 01 14.8 – V I52
2020-10-22 09:54:30 C 00 31 36.52 +36 01 33.8 – V I52
2020-10-22 09:59:20 C 00 31 39.94 +36 01 52.8 – V I52
2020-10-22 10:04:11 C 00 31 43.32 +36 02 11.7 – V I52
2020-10-22 19:01:08 C 00 38 58.68 +36 41 35.9 – V L01
2020-10-22 19:03:22 C 00 39 00.37 +36 41 46.6 – V L01
2020-10-22 19:05:37 C 00 39 02.04 +36 41 57.5 – V L01
2020-10-23 02:05:45 C 00 44 51.52 +37 14 00.3 – u H21
2020-10-23 02:18:37 C 00 45 01.86 +37 15 02.6 – u H21
2020-10-23 04:12:17 C 00 46 40.17 +37 24 15.0 – V I52
2020-10-23 04:23:33 C 00 46 49.27 +37 25 08.3 – V I52
2020-10-23 04:26:23 C 00 46 51.57 +37 25 21.8 – V I52